jretes3154 jretes3154

14-09-2018
Mathematics

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What is the lcm of 18 and 30 using prime factorization?

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sqdancefan sqdancefan

18-09-2018

18 = 2×3×3

30 = 2×3×5

The LCM will have factors of 2, 3², and 5. (Choose the highest power of each prime.)

2×3×3×5 = 90 is the LCM of 18 and 30.

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